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Библиотека исторической информации

Библиотека исторической информации

Page Speed

To Improve!

Your page speed is 75. There are many things you need to do to improve your page speed. Google page speed gives more points to more than sites.

Page Speed Quote

Shining star in the search engine optimization , I think 2018 will be the site of the opening speed .

Avoid Landing Page Redirects

Your page has no redirects.

Enable Gzip Compression

There is/are 1 resources in your page to enable gzip compression. Files that not enabled gzip compression, delay page rendering.

Enabling gzip compression for the following resources to reduce the size of the specified files 12.8KiB (74% file size reduction).

Gzip required resources for libinfo.org

http://an.yandex.ru/page/71143?target-ref=http%3A%2F%2Flibinfo.org%2F&charset=utf-8&grab=dNCR0LjQsdC70LjQvtGC0LXQutCwINC40YHRgtC-0YDQuNGH0LXRgdC60L7QuSDQuNC90YTQvtGA0LzQsNGG0LjQuAo=&callback=Ya[1448019005126] compressing source, provides 12.8KiB (74% reduction).

Leverage Browser Caching

Your page have 39 cacheable resources. in the HTTP headers for static resources to set an expiration date or a maximum , the browser tells the load previously downloaded resources from local disk rather on the network.

Cache required resources for libinfo.org

The following cacheable resources are as follows

/app_stores.gif
/b_dvpt.gif
/bannerkoap.gif
/bn88.jpg
/borders.css
/bottom-block-border.gif
/flag/flag-de.png
/flag/flag-en.png
/flag/flag-fr.png
/flag/flag-ru.png
/google_play.gif
/koapp.jpg
/lb-coner-block.gif
/left-border-block.gif
/lt-coner-block.gif
/main.css
/perol.png
/rb-coner-block.gif
/right-border-block.gif
/rt-coner-block.gif
/tags.css
/top-block-border.gif
tree.js
/i/form/search.png
/i/form/yandex-hint.png
/ru_RU/all.js
/widgets/v1/cprs.js?v=v0.6840172677766532
/js/api.js
/js/plusone.js
/widgets/v1/zp.js?pid=lf07cf5a5a61f37f4329e5574c68fd4ba448864e26
/widgets/v1/zp.js?pid=tl07cf5a5a61f37f4329e5574c68fd4ba448864e26
/system/context.js
/subut/green.gif
/pagead/show_ads.js
/metrika/advert.gif
/metrika/watch.js
/gadgets/js/core:rpc:shindig.random:shindig.sha1.js?c=2
/pagead/osd.js
/js/share/2/share.js

Minify Css

Your CSS are minimized.

Minify Html

There is/are 2 HTML file(s) in your page to compress. Files that not compressed, delay page rendering.

HTML resources to compress on libinfo.org

Minify HTML for the following resources to reduce their size by 1.3KiB (8% reduction).

compressing source, provides 704B (6% reduction).
/widgets/v1/zp/support.html compressing source, provides 595B (16% reduction).

Minify Javascript

There is/are 7 javascript file(s) in your page to compress. Files that not compressed, delay page rendering.

Javascript resources to compress on libinfo.org

Minify javascript for the following resources to reduce their size by 7.1KiB (3% reduction).

https://w.uptolike.com/widgets/v1/zp.js?pid=lf07cf5a5a61f37f4329e5574c68fd4ba448864e26 compressing source, provides 1.8KiB (17% reduction).
https://w.uptolike.com/widgets/v1/zp.js?pid=tl07cf5a5a61f37f4329e5574c68fd4ba448864e26 compressing source, provides 1.8KiB (17% reduction).
https://fbstatic-a.akamaihd.net/rsrc.php/v2/yL/r/0KMtEC8h2--.js compressing source, provides 1.1KiB (2% reduction).
http://pagead2.googlesyndication.com/pagead/js/r20151117/r20151006/show_ads_impl.js compressing source, provides 725B (1% reduction).
https://oauth.googleusercontent.com/gadgets/js/core:rpc:shindig.random:shindig.sha1.js?c=2 compressing source, provides 661B (3% reduction).
https://pagead2.googlesyndication.com/pagead/js/r20151117/r20151006/expansion_embed.js compressing source, provides 519B (1% reduction).
https://apis.google.com/_/scs/apps-static/_/js/k=oz.gapi.fr.dE8sAnU8B3o.O/m=googleapis_client,iframes_styles_bubble_internal,gapi_iframes_style_common,gapi_iframes_iframer/rt=j/sv=1/d=1/ed=1/am=AQ/rs=AGLTcCN1JF-0ZeitB9IE00Iblm3U1pi2tg/t=zcms/cb=gapi.loaded_0 compressing source, provides 514B (1% reduction).

Minimize Render Blocking Resources

Your page has 4 render-blocking JavaScript and CSS resources. This causes a delay in rendering your page. Eliminate these resources in above-the-fold content.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Render blocking resources in libinfo.org

Your page has 3 javascript blocking resources. Remove render-blocking javascript files as follows;

tree.js
tree_items.js
tree_tpl.js

Your page has 1 CSS blocking resources. Remove render-blocking Css files as follows;

https://apis.google.com/js/plusone.js

Optimize Images

There is/are 4 image(s) in your page to compress. Files that not compressed, delay page rendering.

Optimize images for the following resources to reduce their size by 4.8KiB (44% reduction).

Image Compressing Preview of libinfo.org

4.8KiB total size reduction

Prioritize Visible Content

You have the above-the-fold content properly prioritized.

Mistaken Typos
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